Abstract: A chassis quick release device includes a housing including a base provided with a sliding channel, a compression space, and accommodating space, a rotating space and a shaft in the rotating space and covered with a cover, a locking block linearly movably set in the accommodating space and providing a guide groove, a guide chamber, a receiving groove and an elastic member set in the receiving groove, a locking member having a shaft hole coupled to the shaft, a rotary reset member positioned on the shaft, resisting edge located at one end thereof that can rotate and protrude from the housing and a locking edge located at the other end thereof, and an operating handle including a rod body positioned in the sliding channel, the guide groove and the guide chamber and mounted with a grp and having a locking portion stopped against the guide chamber.

Abstract: A floating fastener with shock-absorbing structure includes a base having a cylindrical portion and a bottom plate and an abutment ring and an inner ring formed in the cylindrical portion, a fixing element having a head, a shank and locking portion, a flexible liner having a top-sided positioning embedding portion placed in a first fixing hole of a preset first plate, a positioning tube having a tube body and a protruding ring portion, and a buffer pad having a ring groove positioned on the protruding ring portion of the positioning tube. The assembly structure of the positioning tube and the buffer pad is placed outside the cylindrical portion of the base from top to bottom through the perforation of the positioning tube to form a positioning, and the bottom side of the buffer pad is held against the upper surface of the preset first plate.

Abstract: A push controlled positioning device includes a base with a through shaft hole, a push block horizontally and slidably coupled to the base and holding two limiting balls in two opposite through holes, and an axle seat with a shaft rod inserted into the shaft hole of the base and locked in place by the limiting balls under the effect of the elastic restoring force of an elastic member in the push block. When the push block is pushed laterally, the balls enter respective loosening grooves in the push block to unlock the axle seat, allowing removable of the base and the push block from the axle seat.

Abstract: A board to board positioning device includes a base including a shaft hole inside, two through hole arranged at two opposite sides perpendicular to the shaft hole and respectively mounted with a limiting ball, a connecting portion and a limiting portion respectively provided at two sides and two limiting grooves for aligning with the two through holes, and an adjustment knob including an operation space for the base to pass through, a sliding wall surface positioned against the through holes, a driving portion positioned against the limiting portion and a marking portion provided on the outside. The sliding wall surface has a pressing side and a retreating side used to push the limiting balls into and out of the through holes. The driving portion is protruded with locking protrusions that are used to rotate and slide along the limiting portion to enter and exit the limiting grooves.

Abstract: A floating fastener includes a position-limiting cover with a perforation and a protruding butting portion, a locking member having a head, a shaft and a locking portion, a stopper having a vertical movement hole for the shaft to pass through and a plurality of locking points formed in the vertical movement hole, and a socket having an accommodating groove providing a bottom surface and a through space and a bottom positioning portion for fixation to a first preset plate. The locking portion of the locking member is inserted into the through space. The position-limiting cover outside the shaft covers the top of the socket. The stopper outside the shaft is limited to the limiting space between the protruding butting portion and the accommodating groove, and the locking portion of the locking member can be tilted and locked into a second preset plate.

Abstract: A floating fastener includes a position-limiting cover with a perforation and a protruding butting portion, a locking member having a head, a shaft and a locking portion, a stopper having a vertical movement hole for the shaft to pass through and a plurality of locking points formed in the vertical movement hole, and a socket having an accommodating groove providing a bottom surface and a through space and a bottom positioning portion for fixation to a first preset plate. The locking portion of the locking member is inserted into the through space. The position-limiting cover outside the shaft covers the top of the socket. The stopper outside the shaft is limited to the limiting space between the protruding butting portion and the accommodating groove, and the locking portion of the locking member can be tilted and locked into a second preset plate.

Abstract: A handle locking structure includes a handle having a pivot portion pivotally connected to a sliding box, a buckle portion for hooking on a cabinet and a handle shaft, and a positioning structure including a base connected to the handle shaft, a positioning device mounted in the base and an elastic member placed on the positioning device. When the handle is hooked on the cabinet, a peripheral limiter of a head member of the positioning device is disengaged from a position-limiting notch of the base to reset the elastic member, so that the positioning device is automatically locked to the sliding box, avoiding vibration of the handle and improving the locking stability of the handle.

Abstract: A fastener includes a base having a joint plate extended therefrom toward a first direction, a joint plate extended from the joint plate toward a second direction and configured to secure to an electronic base board, and a fastening member protruded thereon toward a third direction. The fastener includes an elastic compressive unit connected to the joint plate and including a pushing part configured to abut with a circuit board downwardly rotated. Subject to the stress in the first direction and applied by the circuit board, the pushing part is moved back and the elastically-compressive unit is compressed to make the circuit board rotate to the bottom side of the pushing part, and an edge of the circuit board can be inserted into and abutted thereon the fastening member, and the circuit board is accommodated in a fastening space formed on the outside of the fastening member.

Abstract: A handle locking structure includes a handle having a pivot portion pivotally connected to a sliding box, a buckle portion for hooking on a cabinet and a handle shaft, and a positioning structure including a base connected to the handle shaft, a positioning device mounted in the base and an elastic member placed on the positioning device. When the handle is hooked on the cabinet, a peripheral limiter of a head member of the positioning device is disengaged from a position-limiting notch of the base to reset the elastic member, so that the positioning device is automatically locked to the sliding box, avoiding vibration of the handle and improving the locking stability of the handle.

Abstract: A fastener includes a base having a joint plate extended therefrom toward a first direction, a joint plate extended from the joint plate toward a second direction and configured to secure to an electronic base board, and a fastening member protruded thereon toward a third direction. The fastener includes an elastic compressive unit connected to the joint plate and including a pushing part configured to abut with a circuit board downwardly rotated. Subject to the stress in the first direction and applied by the circuit board, the pushing part is moved back and the elastically-compressive unit is compressed to make the circuit board rotate to the bottom side of the pushing part, and an edge of the circuit board can be inserted into and abutted thereon the fastening member, and the circuit board is accommodated in a fastening space formed on the outside of the fastening member.

Abstract: A floating fastener mounting structure includes a mounting socket having a locating groove extending around the periphery and defined between a relatively smaller annular step and a relatively larger stop flange thereof, a metal panel member having a mounting through hole attached to the mounting socket and stopped above the stop flange and stamped by a stamping press to provide a riveting portion and to force the riveting portion to engage into the locating groove and to wrap about the stop flange of the mounting socket, a spring-loaded locking member axially slidably mounted in the mounting socket for detachably locking the metal panel member to an external metal panel member, and a cap member capped on a mounting head of the locking member and affixed to the mounting head during the operation of the stamping press to stamp the metal panel member. Affixing the mounting socket to the metal panel member by riveting greatly enhances the shearing strength of the floating fastener mounting structure.

Abstract: A floating fastener mounting structure includes a mounting socket having an annular bottom stop flange and mounting portion extending around a bottom end of a center hole thereof, a locking member including a shank inserted through center hole, a mounting head located at the top end of shank and suspending above center hole and an expanded locking end tip located at the bottom end of shank and movable in and out of the bottom end of center hole, a spring member mounted around shank and stopped between mounting socket and locking member, a cap member fastened to mounting head and having an outer diameter not larger than outer diameter of annular bottom stop flange and defining an accommodation chamber for accommodating a part of the mounting socket and a part of the mounting head.

Abstract: A floating fastener mounting structure includes a metal panel member defining a convex wall portion and a mounting through hole at the convex wall portion, a mounting socket including an axially extended center hole, an annular step and a stop flange extended around the periphery at different elevations and an annular locating groove defined between the annular step and the stop flange. The mounting socket is riveted to the metal panel member to force the annular locating groove into engagement with the convex wall portion, enabling the convex wall portion to be tightly stopped between the annular step and the stop flange. The annular step defines a downwardly and outwardly sloping top surface for guiding the convex wall portion of the metal panel member into engagement with the annular locating groove of the mounting socket in the rivet operation.

Abstract: A spanner-controlled panel member coupling structure includes a base frame, a sliding panel accommodated in the base frame and movable between an extended position outside said base frame and a received position inside said base frame, a spanner pivotally coupled to the sliding panel and operable to move the sliding panel between the received position and the extended position, and a rotary actuator connected to the spanner for moving a spring-loaded axle member between a locking position to lock the sliding panel to the base frame and an unlocking position to unlock the sliding panel from the base frame when a user biases the spanner relative to the base frame to move the sliding panel between the received position and the extended position.

Abstract: A rotary fastener includes a base member, a holder member fixedly mounted in said base member, an axle member axially movably mounted in said holder member, a cap member affixed to the top end of the axle member above the holder member, a spring member mounted around the axle member and adapted to impart a downward pressure to the axle member relative to the holder member, a socket member affixed to the cap member, and two mating curved tracks respectively formed integral with the base member and the socket member and matched with each other and movable relative to each other to shift the axle member between a locking position to lock the first panel member to a second panel member and an unlocking position to unlock the first panel member from the second panel upon rotation of the base member relative to the socket member.

Abstract: A floating fastener includes a mounting base member affixed to a first panel member and including a relatively smaller lower outer perimeter, a relatively larger upper outer perimeter, an outer stop flange extending around a top side of the upper outer perimeter, a bottom mounting neck and a cushion ring mounted in a locating groove around the lower outer perimeter, a rotary fastening member inserted through the mounting base member for locking a second panel member to the first panel member through a rotary motion, and a cap member affixed to a head of the rotary fastening member outside the mounting base member and having an inside bottom stop flange coupled to the mounting base member and axially slidable along the upper and lower outer perimeters and stoppable at the bottom side of the outer stop flange of the mounting base member.

Abstract: A rotary fastener includes a mounting base member including an inner barrel and an outer barrel fixedly fastened together, a fastening device including a spring-loaded pin member inserted through the mounting base member and a head member affixed to the pin member outside the mounting base member, an operating cap member fixedly mounted with the head member and rotatable relative to the mounting base member between an upper-limit position and a lower-limit position to move the pin member in and out of the bottom side of the mounting base member between a locking position and an unlocking position, and a guide track unit for guiding movement of the operating cap member relative to the mounting base member between the upper-limit position and the lower-limit position upon a rotary motion.

Abstract: A floating fastener mounting structure includes a mounting socket having an annular bottom stop flange and mounting portion extending around a bottom end of a center hole thereof, a locking member including a shank inserted through center hole, a mounting head located at the top end of shank and suspending above center hole and an expanded locking end tip located at the bottom end of shank and movable in and out of the bottom end of center hole, a spring member mounted around shank and stopped between mounting socket and locking member, a cap member fastened to mounting head and having an outer diameter not larger than outer diameter of annular bottom stop flange and defining an accommodation chamber for accommodating a part of the mounting socket and a part of the mounting head.

Abstract: A floating fastener includes a mounting base member affixed to a first panel member and including a relatively smaller lower outer perimeter, a relatively larger upper outer perimeter, an outer stop flange extending around a top side of the upper outer perimeter, a bottom mounting neck and a cushion ring mounted in a locating groove around the lower outer perimeter, a rotary fastening member inserted through the mounting base member for locking a second panel member to the first panel member through a rotary motion, and a cap member affixed to a head of the rotary fastening member outside the mounting base member and having an inside bottom stop flange coupled to the mounting base member and axially slidable along the upper and lower outer perimeters and stoppable at the bottom side of the outer stop flange of the mounting base member.

Abstract: A floating fastener mounting structure includes a mounting socket having a locating groove extending around the periphery and defined between a relatively smaller annular step and a relatively larger stop flange thereof, a metal panel member having a mounting through hole attached to the mounting socket and stopped above the stop flange and stamped by a stamping press to provide a riveting portion and to force the riveting portion to engage into the locating groove and to wrap about the stop flange of the mounting socket, a spring-loaded locking member axially slidably mounted in the mounting socket for detachably locking the metal panel member to an external metal panel member, and a cap member capped on a mounting head of the locking member and affixed to the mounting head during the operation of the stamping press to stamp the metal panel member. Affixing the mounting socket to the metal panel member by riveting greatly enhances the shearing strength of the floating fastener mounting structure.